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American Response Vehicles <br />wheel well will be formed of smooth aluminum and secured to the floor tube structure system. The wheel <br />well shape will be multi -angular with vertical riser and flat top to provide the most efficient use of space inside <br />of the module, while providing the required jounce clearance underneath for the chassis tire movement. <br />Wheel wells that are radius shaped are not acceptable to this agency, as they are unnecessarily tall and <br />inefficient in space usage. <br />WATERTIGHT PATIENT CABIN: The sub floor will be shielded from moisture. An aluminum sub sheet <br />will be sealed to the floor structure with silicone sealant. Additional aluminum plates will be <br />intermittent welded between compartments, wheel well liners, step wells and fuel filler housings. All <br />of the areas will be thoroughly sealed from one to the other, creating a sealed patient cabin from the <br />outside. Extrusion hollows will be filled with expandable foam sealant to prevent fumes and moisture <br />from entering. <br />DOOR CONSTRUCTION <br />DOOR SKIN: No welded seams are allowed, only one piece formed corners. The door skin will be <br />.090 inch -thick, 5052-H32 aluminum sheet formed on all four sides utilizing an ACF Multi -flex Corner <br />Former Model MF 25 to create a crevice free surface for best paint adhesion and corrosion resistance. <br />The formed edges will not have elongation cracks due to forming and will maintain material thickness <br />uniformly over the entire sheet. The formed edges uniformly round off seamless for better paint <br />adhesion and aesthetic appeal that does not require cutting and welding in the corners. <br />DOOR FRAMING: The door frame will reinforce the perimeter of the skin pan. The extrusion will <br />incorporate a T-slot to receive an extruded, hollow, dual durometer closed cell UV protected TPV <br />gaskets with relief holes for even compression for a proper and complete seal from the door to the <br />door jamb. The gasket corners will be welded without using adhesives for bonding. The door frame <br />extrusion will also add torsion resistance to the door assembly. The doorjamb extrusion and frame <br />extrusion will be cut 45 degree on each corner. Each of the four corners will incorporate a keyway and <br />spline that is designed to drive into each corner and maintain a perfect 90-degree angle prior to <br />welding. The door castings will include gusset plates for additional support for the door construction. <br />The door frame will also incorporate a clearance way for UNF threaded blind fasteners for the door <br />panels. The door panel will not rest on the body of the blind fasteners. <br />FINAL DOOR ASSEMBLY: The door skin will be bonded to the frame assembly with an adhesive sealant <br />in addition to intermittent welding. For entry doors additional horizontal structure will be added to <br />maintain door skin flatness as well as penetration resistance in the event of a collision. The horizontal <br />members are extruded J-channel, 0.150 inch -thick. A minimum of two horizontal members will be <br />welded in. A vertically oriented 0.150 inch -thick formed hat -channel will be welded to the webs of <br />both horizontal channels for additional buckling resistance. Compartment doors will have a <br />reinforcement system of horizontal or horizontal/vertical structure added to maintain skin flatness <br />and impact resistance. <br />ENTRY DOOR WINDOW(S) OPENINGS: The entry door(s) will incorporate recessed areas that are stamped <br />12 <br />